2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/122979According to a previous result by S. V. Avgustinovich and the author, each factorial language admits a unique canonical decomposition to a catenation of factorial languages. In this paper, we analyze the appearance of the canonical decomposition of a catenation of two factorial languages whose canonical decompositions are given.SubmittedLogic in Computer Sciencetext